Darwin, Sir George Howard to Francis Galton, 1870-1888 Copies of letters from Sir George Howard Darwin to Francis Galton, 1870-1888, regarding barometric predictions of weather; a proposed investigation into tides of a viscous sphere; his stay with the Balfours; attendance at the British Association and Athanaeum; the birth of his children; and inviting Galton to attend a christening. c1911-1914